@article{ref1,
title="A rocket injury of the heart. Case report",
journal="American surgeon",
year="1967",
author="McKain, J. M. and Warner, G. W. and Shaub, R. O.",
volume="33",
number="9",
pages="742-744",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-1348",
doi="",
url="http://dx.doi.org/"
}